Re: [PATCH 2/2] meson: use subproject for keycodemapdb

["Daniel P. Berrangé" <berrange@redhat.com>]

On Thu, May 18, 2023 at 02:46:45PM +0200, Paolo Bonzini wrote:
> By using a subproject, our own meson.build can use variables from
> the subproject instead of hard-coded paths.  In the future, it may
> also be possible to use wrap to download the submodule.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  .gitmodules                      | 4 ++--
>  configure                        | 4 ++--
>  scripts/archive-source.sh        | 2 +-
>  {ui => subprojects}/keycodemapdb | 0
>  ui/meson.build                   | 6 ++++--
>  5 files changed, 9 insertions(+), 7 deletions(-)
>  rename {ui => subprojects}/keycodemapdb (100%)
> 
> diff --git a/.gitmodules b/.gitmodules
> index 3ed5d073d630..f8b2ddf3877c 100644
> --- a/.gitmodules
> +++ b/.gitmodules
> @@ -25,8 +25,8 @@
>  [submodule "roms/QemuMacDrivers"]
>  	path = roms/QemuMacDrivers
>  	url = https://gitlab.com/qemu-project/QemuMacDrivers.git
> -[submodule "ui/keycodemapdb"]
> -	path = ui/keycodemapdb
> +[submodule "subprojects/keycodemapdb"]
> +	path = subprojects/keycodemapdb
>  	url = https://gitlab.com/qemu-project/keycodemapdb.git
>  [submodule "roms/seabios-hppa"]
>  	path = roms/seabios-hppa
> diff --git a/configure b/configure
> index 5bbca83d9a31..2b6995e16756 100755
> --- a/configure
> +++ b/configure
> @@ -254,7 +254,7 @@ else
>      git_submodules_action="ignore"
>  fi
>  
> -git_submodules="ui/keycodemapdb"
> +git_submodules="subprojects/keycodemapdb"
>  git="git"
>  debug_tcg="no"
>  docs="auto"
> @@ -806,7 +806,7 @@ case $git_submodules_action in
>          fi
>      ;;
>      ignore)
> -        if ! test -f "$source_path/ui/keycodemapdb/README"
> +        if ! test -f "$source_path/subprojects/keycodemapdb/README"
>          then
>              echo
>              echo "ERROR: missing GIT submodules"
> diff --git a/scripts/archive-source.sh b/scripts/archive-source.sh
> index b15f6fe6b8fe..a0a3153faa99 100755
> --- a/scripts/archive-source.sh
> +++ b/scripts/archive-source.sh
> @@ -26,7 +26,7 @@ sub_file="${sub_tdir}/submodule.tar"
>  # independent of what the developer currently has initialized
>  # in their checkout, because the build environment is completely
>  # different to the host OS.
> -submodules="subprojects/dtc meson ui/keycodemapdb"
> +submodules="subprojects/dtc meson subprojects/keycodemapdb"
>  submodules="$submodules tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3"
>  sub_deinit=""
>  
> diff --git a/ui/keycodemapdb b/subprojects/keycodemapdb
> similarity index 100%
> rename from ui/keycodemapdb
> rename to subprojects/keycodemapdb
> diff --git a/ui/meson.build b/ui/meson.build
> index 330369707dd7..e24d52b89941 100644
> --- a/ui/meson.build
> +++ b/ui/meson.build
> @@ -162,13 +162,15 @@ keymaps = [
>  ]
>  
>  if have_system or xkbcommon.found()
> +  keycodemapdb_proj = subproject('keycodemapdb', required: true)
> +  keymap_gen = find_program('keymap-gen', required: true)

This variable isn't used, is it ?

>    foreach e : keymaps
>      output = 'input-keymap-@0@-to-@1@.c.inc'.format(e[0], e[1])
>      genh += custom_target(output,
>                    output: output,
>                    capture: true,
> -                  input: files('keycodemapdb/data/keymaps.csv'),
> -                  command: [python, files('keycodemapdb/tools/keymap-gen'),
> +                  input: keycodemapdb_proj.get_variable('keymaps_csv'),
> +                  command: [python, keycodemapdb_proj.get_variable('keymap_gen'),
>                              'code-map',
>                              '--lang', 'glib2',
>                              '--varname', 'qemu_input_map_@0@_to_@1@'.format(e[0], e[1]),


With regards,
Daniel
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